[ 3233.944032][T27847] gre: GRE over IPv4 demultiplexor driver
[ 3235.196853][T27870] ip_gre: GRE over IPv4 tunneling driver
[ 3250.057961][T28130] ping (28130) used greatest stack depth: 23888 bytes left
[ 3252.466510][T28175] ping (28175) used greatest stack depth: 23304 bytes left
[ 3270.676486][T28451] ip6_gre: GRE over IPv6 tunneling driver
[ 3285.633491][T20500] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3294.784214][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3298.496189][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3301.696194][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3305.408201][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3352.773531][T29787] ping (29787) used greatest stack depth: 22992 bytes left